US5584796A - Apparatus and method for retracting and viewing bodily tissues on remote display device - Google Patents
Apparatus and method for retracting and viewing bodily tissues on remote display device Download PDFInfo
- Publication number
- US5584796A US5584796A US08/292,812 US29281294A US5584796A US 5584796 A US5584796 A US 5584796A US 29281294 A US29281294 A US 29281294A US 5584796 A US5584796 A US 5584796A
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- US
- United States
- Prior art keywords
- retractor
- solid
- image sensor
- state image
- sensor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
Definitions
- the present invention relates to a surgical implement, and more particularly, to a surgical implement used to simultaneously retract and view bodily tissues. Even more particularly, the invention relates to an endoscopic retractor equipped with an imaging unit to form images of bodily tissues which are exposed from operation of the endoscopic retractor.
- an endoscopic procedure may even be carried out to merely view bodily tissues (e.g., a colonoscopy).
- an endoscope is inserted through the skin of a patient into a prepared opening in the body which is typically called a cavity.
- the cavity is often filled with air or other gasses to expand the cavity for better viewing. See U.S. Pat. No. 4,608,965 to Anspach, Jr., et. al.
- the '965 patent teaches an endoscope retainer that does not slip out of a cavity and also retracts soft tissue around the opening in the cavity away from the cavity to provide a better view of the cavity.
- the endoscopes of the type contemplated herein include a probe part which is inserted into an bodily organ.
- the probe part includes a charge coupled device (CCD) on its end to form images of the object of interest (e.g., a heart or other bodily organ), an illuminating member such as light channel to supply light to the object of interest, a lens though which the CCD captures a reflection of the light illuminated by the illuminating member from the object of interest and a receiving channel member to receive and transmit the electric signals produced by the CCD to a main system which converts the electric signals into image signals (e.g., NTSC signals or other signals which are displayable on a television tube device or on another type of cathode ray device--e.g., a computer terminal screen).
- image signals e.g., NTSC signals or other signals which are displayable on a television tube device or on another type of cathode ray device--e.g., a computer terminal screen.
- the '446 patent discloses a probe carrying a single fiber optics channel including a flexible coherent fiber optics bundle for both transmitting illumination light and receiving reflected light from the object.
- An endoscope of such a configuration can be used in very small diameter applications, such as those required in the imaging of coronary arteries.
- Procedures currently being done with an endoscope include gall bladder surgery, knee surgery, hernia surgery, insertion of breast implants through a long tube through the navel, brow lift surgery, and colon resection. Additionally, OB/GYN surgeons have been using endoscopy for many years to treat various problems of the pelvic area. Orthopedic surgeons use endoscopic procedures to treat and access joint cavities.
- a retractor is a hand-held rod-like structure which is curved in such a way as to allow a surgeon to pull tissue away from an incision in order to open the incision to provide for direct visualization of the operative sight or location.
- a surgeon may more easily visualize the pocket with a lighted retractor of the type contemplated above.
- problems still exist when visualizing deep pockets. For example, the operating surgeon often must contort her body and neck in order to strain to see the depths of the wound made by a relatively small incision. A surgeon often encounters similar problems when doing face lifts, particularly in the area of the neck.
- smoke and other matter e.g., gasses or liquids
- the retractor includes a blade member for retracting bodily tissues and an imaging device to form an image of the bodily tissues which are exposed from operation of the blade member.
- the imaging device is coupled to a display device so that the image of the bodily tissues is displayed thereby.
- the present invention provides a method for endoscopically performing a tissue retracting procedure using a retractor device.
- the method includes the steps of retracting bodily tissues using a retractor device to form a cavity and imaging the cavity using an imaging device mounted on said retractor to form an image of the cavity and to provide the image of the cavity to a display device that is coupled to the imaging device.
- FIG. 1 is a top view of an endo-retracting device according to a first embodiment of the present invention
- FIG. 2 is a cross-sectional view of the endo-retracting device of FIG. 1 taken along the line 2--2;
- FIG. 3 is a cross-sectional view of the endo-retracting device of FIG. 1 taken along the line 3--3.
- FIG. 4 illustrates a modification to the endo-retracting device of FIG. 1.
- FIG. 5 illustrates a further modification to the endo-retracting device of FIG. 1.
- FIG. 6 is a top view of an endo-retracting device according to a second embodiment of the present invention.
- FIG. 7 illustrates a modification of the second embodiment depicted in FIG. 6.
- FIG. 8 is a top view of a suction-retracting device according to a third embodiment of the present invention.
- FIG. 9 illustrates an example of an alternative configuration of the retracting devices of the first, second and third embodiments depicted in FIGS. 1-8;
- FIG. 10 illustrates a fourth embodiment according to the present invention which employs a wireless signal transmission system.
- FIGS. 1-10 Like parts will be referred to with like reference numerals where appropriate within the drawings.
- Surgical implement 10 includes handle 12, shaft 14, blade 16 and endoscope 18. Elements 12, 14 and 16 form a conventional retractor of various configurations. With reference to FIG. 9, therein shown is an example of an alternative configuration of a conventional retractor 200 including elements 12, 14, and 16.
- endoscope 18 includes scope (i.e. probe) 20, fiber-optics bundle 22 disposed within fiber-optics channel 24 and standard interfacing equipment 26 for receiving and processing signals from the fiber-optics bundle and displaying an image based on the received and processed signals under the display device of the interfacing equipment.
- Shaft 14 has a first end portion 28 and a second end portion 30.
- Handle 12 is rigidly and integrally formed with shaft 14 at first end portion 28.
- Blade 16 is rigidly and integrally formed with shaft 14 at second end portion 30.
- Retracting elements 12, 14 and 16 are preferably made from a rigid material such as metal, but may be made from other materials such as hard plastics, rubber or the like. All that is required of the material from which retracting elements 12, 14 and 16 are formed is that such material be suited to surgical uses.
- Endoscope 18 is shown as being encased with a strong plastic or metal material to withstand sterilization techniques, i.e., an autoclave, along with retractor elements 12, 14 and 16. Endoscope 18 may be disconnected from equipment 26 at approximately 32 for sterilization and storage. Scope 20 is insertable into a body cavity along with blade 16 and a top surface 46 of scope 20 is approximately even with a top surface 48 of blade 16. Scope 20 has a conventional internal configuration, such as that disclosed in the Nudelman et al. or the Murata patent as such were mentioned above. That is, referring now to FIG. 2, which illustrates a cross sectional view taking along the line 2--2 of FIG. 1, scope 20 includes a signal fiber-optics channel 24 containing fiber-optics bundle 22, as disclosed in Nudelman et al.
- the endoscope part of the retractor device is configured to form images of bodily tissues.
- the endoscope should be configured to generate electrical signals which can be processed to form image or video signals for display on a display device.
- an endoscope can be used which generates television (TV) signals which can be processed in conventional ways to be displayed on a television set or monitor.
- TV television
- the reader is directed to the above-mentioned Nudelman et al. patent (U.S. Pat. No. 5,109,276).
- the signals generated by the endoscope structure of the present invention can be digitally processed to aid in visualizing special image characteristics and like (e.g., visually detecting radioactive coloring agents in bodily tissues).
- digital processing techniques for television and video signals are generally discussed in R. H. Stafford, DIGITAL TELEVISION (Bandwidth Reduction and Communication Aspects), John Wiley & Sons Press, Copyright 1980.
- scope 20 includes at least one illuminating channel 34 and a receiving channel 36 including a lens (not shown) and a CCD device (not shown) for transmitting light reflected from an object, as disclosed in Murata.
- endoscope 18 is arranged along either side (the opposite side illustrated by broken lines) of retractor elements 12, 14 and 16, along the longitudinal direction of the retractor elements. Endoscope 18 is securely adhered to the retractor elements along surface 38 (or surface 40) with conventional bonding techniques such as glue. Instead, endoscope 18 may be securely connected to the retractor elements with conventional connecting elements such a screws or clamps (not shown). Similarly, endoscope 18 may be adhered or connected to a top surface 42 (see FIG. 4) or a bottom surface 44 (see FIG. 5) of the retractor elements. Referring again to FIGS. 1, 2 and 3, surgical implement 10 may further include a suction tube 50 located within endoscope 18, to simultaneously evacuate smoke produced by an electrocautery device while retracting tissue with implement 10.
- FIG. 1 further shows a knob or joystick 52 attached to the endoscope near the handle, to allow the surgeon to control a rotation of scope 20 to adjustably visualize the entire cavity while gripping handle 12 and retracting tissue.
- a knob or joystick 52 attached to the endoscope near the handle, to allow the surgeon to control a rotation of scope 20 to adjustably visualize the entire cavity while gripping handle 12 and retracting tissue.
- the Murata patent which teaches a control knob for controlling vertical and horizontal movements of a head portion of a probe.
- U.S. Pat. No. 5,159,466 to Hibino et al. which teaches a distal end of the endoscope provided with a bendable portion.
- the Hibino et al. patent teaches both a knob for manually operating the bendable portion and a joystick for vertically and horizontally bending the bendable portion in conjunction with a motor.
- the Hibino et al. patent also teaches a straight switch for straightening the bendable portion and a vibration switch
- FIG. 6 therein illustrated is a second embodiment of a surgical implement 100 of the present invention.
- endoscope 18 is located within hollow portion 54 of the retractor elements 12, 14 and 16. Hollow portion 54 runs through handle 12, shaft 14 and blade 16. Endoscope 18 fits securely within hollow portion 54 and includes the same channel(s) as illustrated in either FIGS. 2 or 3.
- Top surface 46 of the scope is aligned with the top surface 48 of blade 16.
- Top surface 46 of blade 16 is either transparent to allow imaging by scope 20 or has an aperture of width X equal to the width of scope 20 or the width of channel 54, to allow imaging by scope 20.
- FIG. 7 shows scope 20 slightly above top surface 48 of blade 16, such that scope 20 protrudes slightly from aperture X.
- knob/joystick 52 attached to an outer surface of handle 12 and internally to endoscope 18 to control a movement of probe 20 as discussed above with regard to the first preferred embodiment.
- implement 100 of FIGS. 6 and 7 may additionally include a suction channel and illuminating channel within endoscope 18.
- surgical implement 100 includes handle 112, shaft 114, blade 116 and suction channel 50.
- Elements 12, 14 and 16 form a conventional retractor of various configurations.
- Suction channel 150 may be connected to either side of the retractor elements, similar to the endoscope of FIG. 1, or may be connected on either the top or bottom surface of the retractor elements, similar to the endoscope of FIGS. 4 and 5.
- the retractor is a conventional lighter retractor in combination with a suction device.
- suction channel 150 may be located within the hollow portion 54 of the retractor, similar to the endoscope of FIG.
- FIG. 8 illustrates a hand held retractor and a suction device to facilitate the suction of smoke of a tissue retraction operation that a accumulates in a large pocket with a small opening.
- FIG. 10 therein depicted is yet another embodiment of the present invention.
- this embodiment is exactly the same as the embodiment depicted in FIG. 1.
- the embodiment depicted in FIG. 10 employs commonly used and understood wireless transmission technology to transmit a video or other signal(s) from a transmitter 200 located on surgical implement 10 to corresponding receiver 201.
- the signals transmitted by transmitter 200 and which are received by receiver 201 can processed by interfacing equipment 26 and displayed in a conventional manner.
- the transmitter 200 is configured to process a video signal of the television variety (i.e., a raster type signal which originates from detections by a CCD type device and which are converted to an NTSC signal) such a signal may then be transmitted by well-known and used FM radio transmission devices to receiver 201 for processing so that interface equipment 26 can display the same in a conventional way.
- a typical wireless video signal transmission system comprising a transmitter for processing a video signal to produce an FM radio broadcast in the FM radio range of about 900 Mhz which can be received by a corresponding radio receiver is one manufactured by RECOTON Corporation having Model No. V900SX.
- the V900SX system is designed so that a video source (e.g., a NTSC video source) connects to a transmitter which transmits FM broadcasts at either 914 or 922 Mhz and which are received by receiver which is typically connected to a video signal display device (e.g., a television set or monitor).
- a video source e.g., a NTSC video source
- a transmitter which transmits FM broadcasts at either 914 or 922 Mhz and which are received by receiver which is typically connected to a video signal display device (e.g., a television set or monitor).
Abstract
Description
Claims (26)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US08/292,812 US5584796A (en) | 1994-08-10 | 1994-08-10 | Apparatus and method for retracting and viewing bodily tissues on remote display device |
US08/767,377 US5817005A (en) | 1994-08-10 | 1996-12-16 | Apparatus and method for simultaneously retracting and viewing bodily tissues |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US08/292,812 US5584796A (en) | 1994-08-10 | 1994-08-10 | Apparatus and method for retracting and viewing bodily tissues on remote display device |
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US08/767,377 Continuation US5817005A (en) | 1994-08-10 | 1996-12-16 | Apparatus and method for simultaneously retracting and viewing bodily tissues |
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US5584796A true US5584796A (en) | 1996-12-17 |
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US08/292,812 Expired - Fee Related US5584796A (en) | 1994-08-10 | 1994-08-10 | Apparatus and method for retracting and viewing bodily tissues on remote display device |
US08/767,377 Expired - Fee Related US5817005A (en) | 1994-08-10 | 1996-12-16 | Apparatus and method for simultaneously retracting and viewing bodily tissues |
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US08/767,377 Expired - Fee Related US5817005A (en) | 1994-08-10 | 1996-12-16 | Apparatus and method for simultaneously retracting and viewing bodily tissues |
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Cited By (37)
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US5817005A (en) * | 1994-08-10 | 1998-10-06 | Cohen; Barry J. | Apparatus and method for simultaneously retracting and viewing bodily tissues |
US5871441A (en) * | 1994-12-27 | 1999-02-16 | Olympus Optical Co., Ltd. | Endoscope capable of manipulation soon after autoclaving |
US5992237A (en) * | 1997-07-22 | 1999-11-30 | Skf Condition Monitoring, Inc. | Digital vibration coupling stud |
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US20040143167A1 (en) * | 2002-08-02 | 2004-07-22 | Branch Charles L. | Systems and techniques for illuminating a surgical space |
US20040143169A1 (en) * | 2002-08-02 | 2004-07-22 | Branch Charles L. | Systems and techniques for illuminating a surgical space |
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- 1994-08-10 US US08/292,812 patent/US5584796A/en not_active Expired - Fee Related
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